APA Style

Dorf, B. et al (1999). the One to One Fieldbook: the Complate Toolkit for Implementing a 1to1 Marketing Program . London: Capstone.

MLA Style

Dorf, Bob. et al. "the One to One Fieldbook: the Complate Toolkit for Implementing a 1to1 Marketing Program". London: Capstone, 1999. Manajemen.